CN212277352U - State switching mechanism for waveguide switch - Google Patents
State switching mechanism for waveguide switch Download PDFInfo
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- CN212277352U CN212277352U CN202021344154.XU CN202021344154U CN212277352U CN 212277352 U CN212277352 U CN 212277352U CN 202021344154 U CN202021344154 U CN 202021344154U CN 212277352 U CN212277352 U CN 212277352U
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Abstract
The utility model discloses a state switching mechanism for a waveguide switch, which belongs to the technical field of microwave communication and comprises a waveguide switch, a fine positioning device and a switching device, wherein the fine positioning device comprises a fine positioning disc, a fine positioning knob and two limit blocks; the switching device comprises a shell, a cam, an electric connector, two microswitch sets and a power source; the output shaft of the power source rotates in a reciprocating way at a certain angle and drives the cam connected with the power source to rotate in a reciprocating way, when the cam rotates, the pressing and the releasing of the reeds in the micro switch sets realize the alternate conduction and disconnection of the two micro switch sets, the cam drives the shifting pin to do reciprocating motion and drives the fine positioning knob to rotate and the rotor of the waveguide switch to rotate in a reciprocating way, and the rotor of the waveguide switch is used for switching the waveguide switch between two different states; the mechanism effectively avoids the lasting non-power-on of the whole circuit, protects the safety of the power source, and greatly improves the service life and the stability of the power source.
Description
Technical Field
The utility model belongs to the technical field of microwave communication, a state switching mechanism for waveguide switch is related to.
Background
The waveguide switch is used as an important component for controlling a signal path, and is widely applied to a backup path switch of a high-power output radar and a communication transmitter; meanwhile, the method is also applied to microwave transmitting equipment and microwave measurement and control engineering of a satellite communication system so as to realize switching between an antenna and a load removing channel on a microwave power signal. The waveguide switch is one of the key parts of the satellite signal transmission system. The existing waveguide switch is mainly a mechanical waveguide switch, is mainly used for high-power and high-frequency microwave transmission, generally has four external interfaces, a product to be backed up is connected with the four interfaces through a transmission line, and the backup product and a master product are switched with each other by switching the transmission mode among the four interfaces, so that the reliability of the whole satellite is improved. The microwave signal transmission part of the waveguide switch comprises a stator and a rotor, and a waveguide window is arranged around the stator; the microwave rotor is internally provided with a waveguide channel, the rotor rotates in the stator under the drive of the electromagnetic drive device, and the internal waveguide channel is communicated with different waveguide windows, so that the switching of the switch position state is realized.
At present, the existing electromagnetic driving device for switching the position state of the waveguide switch is complex in structure, high in assembly and debugging difficulty and low in precision and reliability.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: the state switching mechanism for the waveguide switch solves the problems that an existing electromagnetic driving device for switching the position state of the waveguide switch is complex in structure, high in assembly and debugging difficulty and low in precision and reliability.
The utility model adopts the technical scheme as follows:
a state switching mechanism for a waveguide switch comprising a waveguide switch, a fine positioning device, a switching device, wherein:
the fine positioning device comprises a fine positioning disc, a fine positioning knob and two limiting blocks, the fine positioning disc is precisely and fixedly connected with a stator of the waveguide switch, a rotor of the waveguide switch penetrates through the fine positioning disc to be fixedly connected with the fine positioning knob, the two limiting blocks are symmetrically arranged on the fine positioning disc, and the fine positioning knob is limited between the two limiting blocks;
the switching device comprises a shell, a cam, an electric connector, two micro switch sets and a power source, wherein the shell is arranged on the fine positioning plate, the two micro switch sets are symmetrically arranged in the shell, the two micro switch sets, the electric connector and the power source are electrically connected, the electric connector and the power source are both arranged on the outer wall of the shell, an output shaft of the power source extends into the shell and is fixedly connected with one end of the cam, the other end of the cam is provided with a shifting pin, and the shifting pin is in sliding connection with one end of a fine positioning knob;
the output shaft of the power source does reciprocating rotation at a certain angle, and simultaneously drives the cam to do reciprocating rotation, when the cam rotates, the pressing and releasing of reeds in the micro switch sets are realized, the two micro switch sets are alternately switched on and off, simultaneously, the cam drives the shifting pin to do reciprocating motion and drives the fine positioning knob to do reciprocating rotation by taking the axis of the waveguide switch rotor as a circular mandrel, and the waveguide switch is switched between two different states after the rotor of the waveguide switch rotates in a reciprocating mode.
Furthermore, all be provided with the permanent magnet in the stopper, the accurate positioning knob adopts the material that can be inhaled by the magnetism to make, accurate positioning knob one end rotates behind the certain angle and is connected with the permanent magnet magnetism that corresponds.
Furthermore, the limiting blocks are all precisely fixed on the fine positioning plate through positioning pins and screws.
Furthermore, a sliding groove is formed in one end of the fine positioning knob, and one end of the shifting pin extends into the sliding groove to be connected with the fine positioning knob in a sliding mode.
Further, the fine positioning knob is fixedly connected with a rotor of the waveguide switch through a screw.
Furthermore, the two microswitch sets respectively comprise at least two microswitches, and the microswitches are connected in a normally open type connection mode.
Further, the micro switch group is fixed on the inner wall of the shell through screws.
Further, the power source is a two-phase corner electromagnet.
Furthermore, one end of the cam is sleeved on the output shaft and is fixedly connected with the output shaft through a screw.
Further, the shell is fixedly connected with the fine positioning disc through screws.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the utility model relates to a mechanism for waveguide on-off state switches over, switch on the external current through the electric connector, the output shaft of drive power supply drives the cam and does the reciprocating rotation, rely on the pressfitting and the release of the reed in the micro-gap switch group when the cam rotates thereby realize the alternative switch-on and switch-off of two micro-gap switch groups, power supply and external control current disconnection behind the reed of the micro-gap switch in the micro-gap switch group are released to the cam, the lasting non-work of whole circuit circular telegram of effectual having avoided, the safety of power supply has been protected, the life-span and the performance stability of power supply have also been greatly improved; meanwhile, the cam rotates in a reciprocating mode to drive the shifting pin to shift the fine positioning knob to reciprocate between the two limiting blocks by taking the axis of the waveguide switch rotor as a circular center shaft, so that the waveguide switch is switched between the two states by driving the waveguide switch rotor to rotate, the position of the fine positioning knob is limited by the limiting blocks, the fine positioning knob is in the best rotating angle when contacting with any one limiting block, the precision is high, the structure is simple, the complexity of a power source and the precision requirement of the power source are reduced, the assembly is convenient, and the stability is good.
2. The utility model discloses in a state switching mechanism for waveguide switch, the material that fine positioning knob adopted can be inhaled by the magnetism is made, and fine positioning knob rotates one end behind the certain angle and is blocked by the stopper to be connected with the permanent magnet magnetism in the stopper, thereby be fixed after making waveguide switch's the rotatory certain angle of rotor, simple structure is reliable and have higher stability.
3. The utility model discloses in a state switching mechanism for waveguide switch, further guarantee the installation accuracy of stopper and smart positioning disk through the locating pin, the stopper passes through the mounting screw on smart positioning disk, and the stopper of being convenient for is installed, is dismantled and is debugged.
4. The utility model discloses in a state switching mechanism for waveguide switch, in the group round pin block to the spout with smart location knob sliding connection, the group round pin of being convenient for drives the axis of the rotor of smart location knob with waveguide switch simultaneously and rotates as the round axle under the drive of cam.
5. The utility model discloses in a state switching mechanism for waveguide switch, the rotor fixed connection of smart location knob and waveguide switch, the smart location knob installation of being convenient for, dismantlement and debugging.
6. The utility model discloses in a state switching mechanism for waveguide switch, be convenient for select the micro-gap switch's among the micro-gap switch group quantity according to actual conditions.
7. The utility model discloses in a state switching mechanism for waveguide switch, micro-gap switch group is convenient for install, dismantle and the debugging through screw and casing fixed connection.
8. The utility model discloses in a state switching mechanism for waveguide switch, double-phase corner electro-magnet is chooseed for use to the power supply, compares in the three-phase corner electro-magnet cost that current electromagnetic drive mechanism adopted lower, simple structure.
9. The utility model discloses in a state switching mechanism for waveguide switch, the available screw of cam and the output shaft fixed connection of power supply, the installation, the dismantlement and the debugging of the cam of being convenient for.
10. The utility model discloses in a state switching mechanism for waveguide switch, the casing passes through the screw and can dismantle with the smart positioning disk and be connected, the stopper of being convenient for, the installation of smart location knob, micro-gap switch and cam, dismantlement and debugging.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and that for those skilled in the art, other relevant drawings can be obtained according to the drawings without inventive effort, wherein:
fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a partial schematic view one of the present invention;
fig. 3 is a partial schematic view of the present invention;
fig. 4 is a schematic circuit diagram of the present invention;
the labels in the figure are: the device comprises a waveguide switch 1, a fine positioning plate 2, a fine positioning knob 3, a limiting block 4, a shell 5, a cam 6, an electric connector 7, a microswitch group 8, a power source 9, a poke pin 10 and a permanent magnet 11.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention, i.e., the described embodiments are only some, but not all embodiments of the invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.
It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Example 1
As shown in fig. 1, fig. 2 and fig. 3, a state switching mechanism for a waveguide switch according to a preferred embodiment of the present invention includes a waveguide switch 1, a fine positioning device, and a switching device, wherein:
the fine positioning device comprises a fine positioning disc 2, a fine positioning knob 3 and two limiting blocks 4, the fine positioning disc 2 is precisely and fixedly connected with a stator of the waveguide switch 1, a rotor of the waveguide switch 1 penetrates through the fine positioning disc 2 to be fixedly connected with the fine positioning knob 3, the two limiting blocks 4 are symmetrically arranged on the fine positioning disc 2, and the fine positioning knob 3 is limited between the two limiting blocks 4;
the switching device comprises a shell 5, a cam 6, an electric connector 7, two micro switch groups 8 and a power source 9, wherein the shell 5 is connected with the fine positioning disc 2, the two micro switch groups 8 are symmetrically arranged in the shell 5, the two micro switch groups 8, the electric connector 7 and the power source 9 are electrically connected, the electric connector 7 and the power source 9 are both arranged on the outer wall of the shell 5, an output shaft of the power source 9 extends into the shell 5 to be fixedly connected with one end of the cam 6, the other end of the cam 6 is provided with a shifting pin 10, and the shifting pin 10 is slidably connected with one end of the fine positioning knob 3;
the output shaft of the power source 9 makes a reciprocating rotation at a certain angle and drives the cam 6 connected with the power source to make a reciprocating rotation, when the cam 6 rotates, the pressing and releasing of reeds in the micro switch sets 8 realize the alternate conduction and disconnection of the two micro switch sets 8, the cam 6 drives the shifting pin 10 to make a reciprocating motion and drives the fine positioning knob 3 and the rotor of the waveguide switch 1 to make a reciprocating rotation, and the rotor of the waveguide switch 1 rotates to switch the waveguide switch 1 between two different states.
The utility model discloses a theory of operation does: firstly, the initial position of the cam 6 is that a reed of a micro switch in one micro switch group 8 is pressed to enable the micro switch group 8 to be in a conducting state, the other micro switch group 8 is in a disconnecting state, at the moment, the fine positioning knob 3 is in contact extrusion with one limiting block 4, and the waveguide switch 1 is in one state. The external control current is input through the electric connector 7, the external control current can be continuous current or pulse current, the external control current is communicated with the power source 9 through the conducted micro switch group 8 to form a control loop, the power source 9 acts to drive the output shaft to rotate clockwise or anticlockwise, the output shaft drives the cam 6 to rotate, the position of the cam 6 is changed, the micro switch reed in one micro switch group 8 is not pressed to enable the micro switch group 8 to be gradually released along with the rotation of the cam until the micro switch group is disconnected, after the current of the control loop is disconnected, the power source stops power output, but the output shaft can continuously drive the cam 6 to rotate due to inertia effect and then extrudes the reed of the other micro switch group 8, and the other micro switch group 8 is turned on after being disconnected. When the cam 6 rotates, the fine positioning knob 3 is driven by the shifting pin 10 to rotate by taking the axis of the rotor of the waveguide switch 1 as a circular mandrel, so that the rotor of the waveguide switch 1 is driven to rotate, when the cam 6 extrudes a microswitch reed in another microswitch group 8 to the limit, the shifting pin 10 drives the fine positioning knob 3 to extrude another limiting block 4, and at the moment, the waveguide switch 1 is in another state. The external control current is switched circularly, so that the output shaft of the power source 9 makes reciprocating rotation at a certain angle and drives the cam 6 to make reciprocating rotation, so as to realize the alternate conduction and disconnection of the two micro switch sets 8, the cam 6 drives the shifting pin 10 to make reciprocating motion to drive the fine positioning knob 3 to make reciprocating rotation by taking the axis of the rotor of the waveguide switch 1 as a circular mandrel, so as to drive the rotor of the waveguide switch 1 to rotate, and further, the waveguide switch 1 is switched between two different states.
In conclusion, after the cam 6 releases the reed of the microswitch in the microswitch group 8, the power source 9 is disconnected with the external control current, so that the whole circuit can be effectively prevented from being powered on without work for a long time, the safety of the power source 9 is protected, and the service life and the performance stability of the power source 9 are greatly improved; the position of the fine positioning knob 3 is limited by the limiting blocks 4, so that the fine positioning knob 3 is in the best rotation angle when being in contact extrusion with any one limiting block 4, the rotor and the stator of the waveguide switch 1 are also in the relative best angle at the moment, the switching mechanism is higher in accuracy, simple in structure, capable of reducing the complexity and the accuracy requirement of the power source 9, convenient to assemble and good in stability.
Preferably, the fine positioning plate 2 is precisely and fixedly connected with the stator of the waveguide switch 1 through a positioning pin and a screw, the mounting precision of the fine positioning plate 2 and the stator of the waveguide switch 1 is further ensured through the positioning pin, and the fine positioning plate 2 is fixed on the stator of the waveguide switch 1 through the screw, so that the limiting block is convenient to mount, dismount and debug.
Preferably, the limiting blocks 4 are all precisely fixed on the fine positioning plate 2 through positioning pins and screws. During implementation, the installation accuracy of the limiting block 4 and the fine positioning disc 2 is further guaranteed through the positioning pin, and the limiting block 4 is fixed on the fine positioning disc 2 through screws, so that the limiting block 4 is convenient to install, disassemble and debug. It should be noted that, the present application is not limited to the connection through the positioning pin and the screw, as long as the limiting block 4 can be precisely fixed on the fine positioning disc 2, for example, when the machining precision is high enough, the integral machining can be performed.
Preferably, a sliding groove is formed in one end of the fine positioning knob 3, and one end of the poking pin 10 extends into the sliding groove to be connected with the fine positioning knob 3 in a sliding manner. When in use, the shifting pin 10 can conveniently and rapidly extend into the sliding groove to be connected with the fine positioning knob 3 in a sliding way. It should be noted that the preferred structure is that the fine positioning knob directly connected with the waveguide switch rotor is driven by the connecting shift pin arranged on the cam to indirectly drive the waveguide switch rotor to rotate, but the preferred structure can also be realized by other mechanisms which can achieve the same effect, and no specific rigid requirements are made, for example: the transmission mechanism such as a gear or a rack can be used for realizing the transmission output of the motion and the force.
Preferably, the fine positioning knob 3 is fixedly connected with the rotor of the waveguide switch 1 through a screw. During implementation, the fine positioning knob 3 is fixedly connected with the rotor of the waveguide switch 1 through a screw, so that the installation, the disassembly and the debugging are convenient. The fine positioning knob 3 is not limited to be connected by a screw, and may be connected to the rotor of the waveguide switch 1 by a screw, for example, or may be connected to the rotor of the waveguide switch 1 by welding, riveting, or crimping when the fine positioning knob 3 is made of a metal material.
Preferably, the microswitch group 8 is fixed on the inner wall of the housing 5 by screws. During implementation, the micro switch group 8 is fixedly connected with the shell 5 through screws, so that the micro switch group is convenient to mount and dismount. The connection mode between the microswitch group 8 and the housing 5 is not limited, and the microswitch group 8 may be fixedly mounted on the inner wall of the housing 5.
On the basis of embodiment 1, the power source 9 is a two-phase angle electromagnet. In implementation, the power source 9 is preferably a two-phase corner electromagnet, and compared with a three-phase corner electromagnet adopted by the existing electromagnetic driving mechanism, the cost is lower. It should be noted that, the power source 9 of the present application may also be a three-phase angle electromagnet or an electric motor, but the cost of the three-phase angle electromagnet is relatively high, and the control accuracy of the electric motor is relatively low.
Preferably, one end of the cam 6 is sleeved on the output shaft and is fixedly connected with the output shaft through a screw. During implementation, the cam 6 is connected with the output shaft of the power source 9 through a screw, so that the cam 6 can be conveniently mounted, dismounted and debugged, and the output shaft and the cam can also be fixedly connected in a welding mode, a riveting mode, a crimping mode and the like.
Preferably, the housing 5 is fixedly connected with the fine positioning plate 2 through screws. During implementation, the shell 5 is detachably connected with the fine positioning disc 2 through screws, so that the limiting block 4, the fine positioning knob 3, the micro switch and the cam 6 can be conveniently installed, detached and debugged.
Example 2
On the basis of embodiment 1, as shown in fig. 2 and 3, permanent magnets 11 are arranged in the limiting blocks 4, the fine positioning knob 3 is made of a material capable of being magnetically attracted, and one end of the fine positioning knob 3 is magnetically connected with the corresponding permanent magnet 11 after rotating for a certain angle.
In this embodiment, it should be noted that the fine positioning knob 3 is made of a material capable of being magnetically attracted, and the material capable of being magnetically attracted includes, but is not limited to, iron, nickel, cobalt, and the like. The difference between this embodiment and embodiment 1 lies in that, in the process that the fine positioning knob 3 makes reciprocating rotation with the axis of the rotor of the waveguide switch 1 as the circular central axis, when one end of the fine positioning knob 3 is blocked by any one of the limiting blocks 4, one end of the fine positioning knob 3 is magnetically connected with the permanent magnet 11 arranged in the limiting block 4, so that the rotor of the waveguide switch 1 is fixed after rotating for a certain angle, and the structure is simple and reliable and has high stability.
Example 3
On the basis of embodiment 1, as shown in fig. 4, each of the two microswitch sets 8 includes at least two microswitches, and each of the microswitches adopts a normally open type wiring manner.
In this embodiment, each micro switch group 8 is provided with three micro switches, the numbers of the micro switches in one micro switch group are set as a switch No. 1, a switch No. 3 and a switch No. 5, and the numbers of the micro switches in the other micro switch group 8 are set as a switch No. 2, a switch No. 4 and a switch No. 6. The micro switches are in a normally open type connection mode of connecting a contact 1 and a contact 4, wherein the contact 4 of the switch 1 and the contact 4 of the switch 2 are respectively connected with the input end of a power source 9, meanwhile, the contact 4 of the switch 1 is connected with the contact 1 of the switch 4, and the contact 4 of the switch 2 is connected with the contact 1 of the switch 3; contact 1 of switch No. 1 is connected with the A end of electric connector 7, contact 1 of switch No. 2 is connected with the C end of electric connector 7, contact 4 of switch No. 3 and switch No. 4 all is connected with the B end of electric connector 7, contact 1 of switch No. 5 and switch No. 6 all is connected with the E end of electric connector 7, contact 4 of switch No. 5 is connected with the F end of electric connector 7, contact 4 of switch No. 6 is connected with the D end of electric connector 7. Wherein switch 1 and switch 3 form control switch all the way, switch 2 and switch 4 form control switch all the way, and switch 5 and switch 6 are the pilot lamp switch in fact for judge what state the waveguide switch is in at present through external pilot lamp. The No. 5 switch and the No. 6 switch can be selectively set or not set according to actual conditions. The electrical connector 7 is preferably a 6-core TYB3112E-10-6P electrical connector.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the scope of the present invention, and any modifications, equivalents and improvements made by those skilled in the art within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. A state switching mechanism for a waveguide switch, characterized by: including waveguide switch, smart positioner, auto-change over device, wherein:
the fine positioning device comprises a fine positioning disc, a fine positioning knob and two limiting blocks, the fine positioning disc is precisely and fixedly connected with a stator of the waveguide switch, a rotor of the waveguide switch penetrates through the fine positioning disc to be fixedly connected with the fine positioning knob, the two limiting blocks are symmetrically arranged on the fine positioning disc, and the fine positioning knob is limited between the two limiting blocks;
the switching device comprises a shell, a cam, an electric connector, two micro switch sets and a power source, wherein the shell is connected with the fine positioning disc, the two micro switch sets are symmetrically arranged in the shell, the two micro switch sets, the electric connector and the power source are electrically connected, the electric connector and the power source are both arranged on the outer wall of the shell, an output shaft of the power source extends into the shell and is fixedly connected with one end of the cam, the other end of the cam is provided with a shifting pin, and the shifting pin is connected with one end of the fine positioning knob in a sliding mode;
the output shaft of the power source rotates in a reciprocating mode at a certain angle and drives the cam connected with the power source to rotate in a reciprocating mode, the cam presses and releases the reeds in the micro switch sets when rotating to achieve the purpose that the two micro switch sets are switched on and off alternately, the cam drives the shifting pin to move in a reciprocating mode and drives the fine positioning knob to rotate and the rotor of the waveguide switch to rotate in a reciprocating mode, and the rotor of the waveguide switch is used for switching the waveguide switch between two different states.
2. A state switching mechanism for a waveguide switch as claimed in claim 1, wherein: all be provided with the permanent magnet in the stopper, accurate positioning knob adopts the material that can be inhaled by the magnetism to make, accurate positioning knob one end is blocked by the stopper after rotating certain angle to be connected with corresponding permanent magnet magnetism.
3. A state switching mechanism for a waveguide switch as claimed in claim 1, wherein: the limiting blocks are all precisely fixed on the fine positioning disc through positioning pins and screws.
4. A state switching mechanism for a waveguide switch as claimed in claim 1, wherein: a sliding groove is formed in one end of the fine positioning knob, and one end of the shifting pin extends into the sliding groove to be connected with the fine positioning knob in a sliding mode.
5. A state switching mechanism for a waveguide switch as claimed in claim 1, wherein: the fine positioning knob can be fixedly connected with a rotor of the waveguide switch through a screw.
6. A state switching mechanism for a waveguide switch as claimed in claim 1, wherein: two the micro-gap switch group all includes two at least micro-gap switches, micro-gap switch all adopts normal open type mode of connection.
7. A state switching mechanism for a waveguide switch as claimed in claim 2, wherein: the micro switch group is fixed on the inner wall of the shell through screws.
8. A state switching mechanism for a waveguide switch as claimed in claim 1, wherein: the power source is a two-phase corner electromagnet.
9. A state switching mechanism for a waveguide switch as claimed in claim 1, wherein: one end of the cam is sleeved on the output shaft and is fixedly connected with the output shaft through a screw.
10. A state switching mechanism for a waveguide switch as claimed in claim 1, wherein: the shell is fixedly connected with the fine positioning disc through screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021344154.XU CN212277352U (en) | 2020-07-10 | 2020-07-10 | State switching mechanism for waveguide switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021344154.XU CN212277352U (en) | 2020-07-10 | 2020-07-10 | State switching mechanism for waveguide switch |
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| Publication Number | Publication Date |
|---|---|
| CN212277352U true CN212277352U (en) | 2021-01-01 |
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| CN202021344154.XU Active CN212277352U (en) | 2020-07-10 | 2020-07-10 | State switching mechanism for waveguide switch |
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| CN (1) | CN212277352U (en) |
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